Team

Compassion. Quality. Care. Multidisciplinary Expertise.

Our physician team and staff have extensive experience treating patients with stereotactic radiation therapy. Combined with highly advanced CyberKnife® technology, CyberKnife’s expert team delivers quality care in a compassionate manner.

Physicians

  • Dr. Shiao Woo M.D., M.B.B.S, F.A.C.R

    Medical Director

    Dr. Shiao Woo serves as professor and chairman of the Department of Radiation Oncology at the University of Louisville School of Medicine. He is a board-certified radiation oncologist specializing in treatment of brain tumors and pediatric radiation oncology.

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  • Dr. Anthony E. Dragun M.D.

    Radiation Oncolgist

    Dr. Anthony Dragun serves as an associate professor and vice chair and residency program director of the Department of Radiation Oncology at the University of Louisville School of Medicine. He is board-certified in radiation oncology with a special interest in breast cancer care and the central nervous system.

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  • Dr. Neal E. Dunlap M.D.

    Radiation Oncologist

    Dr. Neal E. Dunlap serves as an instructor in the Department of Radiation Oncology at the University of Louisville. He is board-certified in radiation oncology with special interests in lung and head and neck cancers.

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  • Dr. Marie K. Gurka M.D.

    Radiation Oncologist

    Dr. Gurka is board eligible in radiation oncology and specializes in gastrointestinal, gynecologic, and genitourinary cancers. Her fields of expertise include intensity and image guided radiation therapy, as well as stereotactic radiation treatment of the liver, pancreas, spine, prostate and brain.

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  • Dr. Craig Silverman M.D.

    Radiation Oncologist

    Dr. Craig Silverman received his Medical Degree from Northwestern University Medical School in Chicago, Illinois and did his residency at Mallinckrodt Institute of Radiology at Washington University School of Medicine in St. Louis, Missouri. He's a Board Certified Radiation Oncologist.

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Medical Physicists

  • Timothy Guan PhD

    Medical Physicist

    Timothy Guan was born and raised in Beijing, China. He received his BS in Physics from Zhejiang University, China in 1981 and his Ph.D. in Physics from Texas tech University in Lubbock TX in 1986.

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  • Keith Sowards MS DABR

    Medical Physicist

    Keith received his Bachelor of Science in physics in 1995. He received his Master of Science degree in 1999 and completed his Medical Physics Residency Program degree from the University of Kentucky in 2001.

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Nurse

  • Anna Murphy RN

    CyberKnife Nurse

    Anna Murphy is a graduate of The University of Illinois Medical Center holding a Bachelor of Science in Nursing. She is currently a Certified Oncology Nurse. Other certifications include ACLS, CPR and Radiation Oncology.

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Staff

  • Christy Stone CNMT

    Site Administrator

    Christy has worked in the field of healthcare for over 15 years. She is the site administrator and leader of the Louisville CyberKnife team.

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  • DeCora Coleman

    CyberKnife Coordinator

    DeCora is the coordinator for Louisville CyberKnife. She has worked at the James Graham Brown Cancer Center radiation oncology department for over 15 years.

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  • Angela Katchak RTT

    Radiation Therapist

    Angie has been a radiation therapist for over 17 years. She graduated with honors for Lakeshore Technical College in Cleveland, Wisconsin in 1996 with a degree in radiography.

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  • Mark Terry RTT

    Radiation Therapist

    Mark has been a radiation therapist for 11 years. He has worked at the University of Louisville Hospital since 2000. He graduated in 1994 with honors from Morehead State University earning and Associates Degree in radiography.

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